AngularJS(10)-数据验证
AngularJS 表单和控件可以提供验证功能,并对用户输入的非法数据进行警告。客户端的验证不能确保用户输入数据的安全,所以服务端的数据验证也是必须的。
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>数据验证</title> <script src="angular-1.4.1/angular.min.js"></script> </head> <body> <h2>数据验证</h2> <form ng-app="myApp" ng-controller="validateCtrl" name="myForm" novalidate> <p>用户名:<br> <input type="text" name="user" ng-model="user" required> <span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid"> <span ng-show="myForm.user.$error.required">用户名是必须的。</span> </span> </p> <p>邮箱:<br> <input type="email" name="email" ng-model="email" required> <span style="color:red" ng-show="myForm.email.$dirty && myForm.email.$invalid"> <span ng-show="myForm.email.$error.required">邮箱是必须的。</span> <span ng-show="myForm.email.$error.email">非法的邮箱。</span> </span> </p> <p> <input type="submit" ng-disabled="myForm.user.$dirty && myForm.user.$invalid || myForm.email.$dirty && myForm.email.$invalid"> </p> </form> <script> var app = angular.module('myApp', []); app.controller('validateCtrl', function($scope) { $scope.user = 'John Doe'; $scope.email = 'john.doe@gmail.com'; }); </script> </body> </html>